20520874920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{39983}}^1$

素因数の和:40064

約数の個数: 256

約数和(自身を含む): 77383434240

約数和(自身を除く): 56862559320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 47, 52, 56, 60, 65, 70, 78, 84, 91, 94, 104, 105, 120, 130, 140, 141, 156, 168, 182, 188, 195, 210, 235, 260, 273, 280, 282, 312, 329, 364, 376, 390, 420, 455, 470, 520, 546, 564, 611, 658, 705, 728, 780, 840, 910, 940, 987, 1092, 1128, 1222, 1316, 1365, 1410, 1560, 1645, 1820, 1833, 1880, 1974, 2184, 2444, 2632, 2730, 2820, 3055, 3290, 3640, 3666, 3948, 4277, 4888, 4935, 5460, 5640, 6110, 6580, 7332, 7896, 8554, 9165, 9870, 10920, 12220, 12831, 13160, 14664, 17108, 18330, 19740, 21385, 24440, 25662, 34216, 36660, 39480, 39983, 42770, 51324, 64155, 73320, 79966, 85540, 102648, 119949, 128310, 159932, 171080, 199915, 239898, 256620, 279881, 319864, 399830, 479796, 513240, 519779, 559762, 599745, 799660, 839643, 959592, 1039558, 1119524, 1199490, 1399405, 1559337, 1599320, 1679286, 1879201, 2079116, 2239048, 2398980, 2598895, 2798810, 3118674, 3358572, 3638453, 3758402, 4158232, 4198215, 4797960, 5197790, 5597620, 5637603, 6237348, 6717144, 7276906, 7516804, 7796685, 8396430, 9396005, 10395580, 10915359, 11195240, 11275206, 12474696, 13154407, 14553812, 15033608, 15593370, 16792860, 18192265, 18792010, 20791160, 21830718, 22550412, 24429613, 26308814, 28188015, 29107624, 31186740, 33585720, 36384530, 37584020, 39463221, 43661436, 45100824, 48859226, 52617628, 54576795, 56376030, 62373480, 65772035, 72769060, 73288839, 75168040, 78926442, 87322872, 97718452, 105235256, 109153590, 112752060, 122148065, 131544070, 145538120, 146577678, 157852884, 171007291, 195436904, 197316105, 218307180, 225504120, 244296130, 263088140, 293155356, 315705768, 342014582, 366444195, 394632210, 436614360, 488592260, 513021873, 526176280, 586310712, 684029164, 732888390, 789264420, 855036455, 977184520, 1026043746, 1368058328, 1465776780, 1578528840, 1710072910, 2052087492, 2565109365, 2931553560, 3420145820, 4104174984, 5130218730, 6840291640, 10260437460, 20520874920]

約数ペア:

[(1, 20520874920), (2, 10260437460), (3, 6840291640), (4, 5130218730), (5, 4104174984), (6, 3420145820), (7, 2931553560), (8, 2565109365), (10, 2052087492), (12, 1710072910), (13, 1578528840), (14, 1465776780), (15, 1368058328), (20, 1026043746), (21, 977184520), (24, 855036455), (26, 789264420), (28, 732888390), (30, 684029164), (35, 586310712), (39, 526176280), (40, 513021873), (42, 488592260), (47, 436614360), (52, 394632210), (56, 366444195), (60, 342014582), (65, 315705768), (70, 293155356), (78, 263088140), (84, 244296130), (91, 225504120), (94, 218307180), (104, 197316105), (105, 195436904), (120, 171007291), (130, 157852884), (140, 146577678), (141, 145538120), (156, 131544070), (168, 122148065), (182, 112752060), (188, 109153590), (195, 105235256), (210, 97718452), (235, 87322872), (260, 78926442), (273, 75168040), (280, 73288839), (282, 72769060), (312, 65772035), (329, 62373480), (364, 56376030), (376, 54576795), (390, 52617628), (420, 48859226), (455, 45100824), (470, 43661436), (520, 39463221), (546, 37584020), (564, 36384530), (611, 33585720), (658, 31186740), (705, 29107624), (728, 28188015), (780, 26308814), (840, 24429613), (910, 22550412), (940, 21830718), (987, 20791160), (1092, 18792010), (1128, 18192265), (1222, 16792860), (1316, 15593370), (1365, 15033608), (1410, 14553812), (1560, 13154407), (1645, 12474696), (1820, 11275206), (1833, 11195240), (1880, 10915359), (1974, 10395580), (2184, 9396005), (2444, 8396430), (2632, 7796685), (2730, 7516804), (2820, 7276906), (3055, 6717144), (3290, 6237348), (3640, 5637603), (3666, 5597620), (3948, 5197790), (4277, 4797960), (4888, 4198215), (4935, 4158232), (5460, 3758402), (5640, 3638453), (6110, 3358572), (6580, 3118674), (7332, 2798810), (7896, 2598895), (8554, 2398980), (9165, 2239048), (9870, 2079116), (10920, 1879201), (12220, 1679286), (12831, 1599320), (13160, 1559337), (14664, 1399405), (17108, 1199490), (18330, 1119524), (19740, 1039558), (21385, 959592), (24440, 839643), (25662, 799660), (34216, 599745), (36660, 559762), (39480, 519779), (39983, 513240), (42770, 479796), (51324, 399830), (64155, 319864), (73320, 279881), (79966, 256620), (85540, 239898), (102648, 199915), (119949, 171080), (128310, 159932)]